/*
 * Copyright 2021 The Kubernetes Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import filepath from './filepath'
import { Arguments, encodeComponent } from '@kui-shell/core'

export default async function readConfig({ REPL }: Pick<Arguments, 'REPL'>) {
  try {
    return JSON.parse(
      (await REPL.rexec<{ data: string }>(`vfs fstat ${encodeComponent(filepath())} --with-data`)).content.data || '{}'
    )
  } catch (err) {
    if (err.code === 404) {
      return {}
    } else {
      throw err
    }
  }
}
